81137628

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15761}}^1$

素因数の和:15795

約数の個数: 72

約数和(自身を含む): 240969456

約数和(自身を除く): 159831828

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 15761, 31522, 47283, 63044, 94566, 141849, 173371, 189132, 204893, 283698, 346742, 409786, 520113, 567396, 614679, 693484, 819572, 1040226, 1229358, 1560339, 1844037, 2080452, 2253823, 2458716, 3120678, 3688074, 4507646, 6241356, 6761469, 7376148, 9015292, 13522938, 20284407, 27045876, 40568814, 81137628]

約数ペア:

[(1, 81137628), (2, 40568814), (3, 27045876), (4, 20284407), (6, 13522938), (9, 9015292), (11, 7376148), (12, 6761469), (13, 6241356), (18, 4507646), (22, 3688074), (26, 3120678), (33, 2458716), (36, 2253823), (39, 2080452), (44, 1844037), (52, 1560339), (66, 1229358), (78, 1040226), (99, 819572), (117, 693484), (132, 614679), (143, 567396), (156, 520113), (198, 409786), (234, 346742), (286, 283698), (396, 204893), (429, 189132), (468, 173371), (572, 141849), (858, 94566), (1287, 63044), (1716, 47283), (2574, 31522), (5148, 15761)]